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Finding the Fourth Proportional to 22,032.57, 30,405.27 and 11,961.03

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Solution

The fourth proportional to 22,032.57, 30,405.27 and 11,961.03 is: 16,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,032.57 : 30,405.27 = 11,961.03 : x
  2. Step 2: Convert to fraction form
    22,032.57/30,405.27 = 11,961.03/x
  3. Step 3: Cross multiply
    22,032.57x = 30,405.27 × 11,961.03
  4. Step 4: Simplify right side
    22,032.57x = 363,678,346.63
  5. Step 5: Solve for x
    x = 363,678,346.63/22,032.57
  6. Step 6: Final answer
    x = 16,506.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.